Home / 7,543.59-11,319.16-3,386.60

Finding the Fourth Proportional to 7,543.59, 11,319.16 and 3,386.60

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Solution

The fourth proportional to 7,543.59, 11,319.16 and 3,386.60 is: 5,081.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.59 : 11,319.16 = 3,386.60 : x
  2. Step 2: Convert to fraction form
    7,543.59/11,319.16 = 3,386.60/x
  3. Step 3: Cross multiply
    7,543.59x = 11,319.16 × 3,386.60
  4. Step 4: Simplify right side
    7,543.59x = 38,333,467.26
  5. Step 5: Solve for x
    x = 38,333,467.26/7,543.59
  6. Step 6: Final answer
    x = 5,081.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.